20000100111 has 8 divisors (see below), whose sum is σ = 26676691200. Its totient is φ = 13328454552.

The previous prime is 20000100097. The next prime is 20000100173. The reversal of 20000100111 is 11100100002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20000100111 - 2¹⁰ = 20000099087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20000100111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000150111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1226935 + ... + 1243128.

It is an arithmetic number, because the mean of its divisors is an integer number (3334586400).

Almost surely, 2^20000100111 is an apocalyptic number.

20000100111 is a deficient number, since it is larger than the sum of its proper divisors (6676591089).

20000100111 is a wasteful number, since it uses less digits than its factorization.

20000100111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2472765.

The product of its (nonzero) digits is 2, while the sum is 6.

Adding to 20000100111 its reverse (11100100002), we get a palindrome (31100200113).

The spelling of 20000100111 in words is "twenty billion, one hundred thousand, one hundred eleven".